Table 2. Number of published items indexed in Scopus in each calendar year and proportion published by authors with uninterrupted, continuous presence (UCP) from 1996–2011.
| Publication year | All items | Number by authors with UCP | % |
| 1996 | 1134758 | 487068 | 42.9 |
| 1997 | 1161780 | 512768 | 44.1 |
| 1998 | 1164390 | 524495 | 45.0 |
| 1999 | 1166048 | 537180 | 46.1 |
| 2000 | 1224001 | 561538 | 45.9 |
| 2001 | 1325284 | 581356 | 43.9 |
| 2002 | 1374293 | 600743 | 43.7 |
| 2003 | 1429751 | 630560 | 44.1 |
| 2004 | 1578957 | 694496 | 44.0 |
| 2005 | 1755980 | 752722 | 42.9 |
| 2006 | 1843420 | 780745 | 42.4 |
| 2007 | 1944239 | 803154 | 41.3 |
| 2008 | 2020576 | 821215 | 40.6 |
| 2009 | 2110248 | 835968 | 39.6 |
| 2010 | 2219650 | 819185 | 36.9 |
| 2011 | 2352087 | 807146 | 34.3 |
| ALL YEARS | 25805462 | 10750339 | 41.7 |